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S02E05 - World's Longest Tunnel

Exploring how engineers move mountains to build the longest and deepest rail tunnel; a look at how 25 million tons of rock were moved to build this modern wonder.
Uitzending: 13/04/2016
Rating TheTVDB: Nog geen stemmen uitgebracht
IMDB ID: Niet beschikbaar
Laatste update: 23/07/2021 om 01:12